//
//  BluetoothKit
//
//  Copyright (c) 2015 Rasmus Taulborg Hummelmose - https://github.com/rasmusth
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

import Foundation

internal protocol LoggerDelegate: class {
    func loggerDidLogString(_ string: String)
}

internal struct Logger {

    // MARK: Properties

    internal static weak var delegate: LoggerDelegate?

    internal static let loggingDateFormatter: DateFormatter = {
        let formatter = DateFormatter()
        formatter.dateFormat = "HH:mm:ss.SSS"
        return formatter
    }()

    // MARK: Functions

    internal static func log(_ string: String) {
        let date = Date()
        let stringWithDate = "[\(loggingDateFormatter.string(from: date))] \(string)"
        print(stringWithDate, terminator: "")
        Logger.delegate?.loggerDidLogString(stringWithDate)
    }

}
